Given the Atomic Mass of Copper As 63.60 Amu, Please Fill in the Missing Piece

Chem 1500

Week 5 Session 2

Test Review!!!!!!

1. Given the atomic mass of copper as 63.60 amu, please fill in the missing piece:

1. Which atom on the periodic table has the smallest radius?
2. Fluorine
3. Francium
4. Lithium
5. Radon
6. Which atom on the periodic table is the least electronegative?
7. Carbon
8. Neon
9. Francium
10. Helium
11. Fill in the following table with the correct atomic mass, protons and neutrons of each element.

1. Answer the following questions true or false:
2. Electronegativity increases going across the periodic table

1. An elements atomic mass is the mass of protons and neutrons in the element.

1. The basic SI unit for volume is mL.

1. Magnesium is an alkali metal.

1. g/mL are the only units density can be written in.

1. The percent of isotopes is considered when calculating the atomic mass shown on the periodic table.

1. Convert to
2. 2.80 x 1013
3. 2.8 x 1013
4. 1.01 x 1017
5. 1.0 x 1017

1. How many sigfigs are in
2. 1
3. 2
4. 3
5. 4
6. What is the density of a metal that has a volume of 7.8m3 and a mass of 147kg?(1 cm3=1ml)
7. 5.3 x 102
8. 5.3 x 104g/ml
9. 5.3 x 10-2g/ml
10. 5.3 x 106
11. The density of a substance is 4.1kg/L, what is the mass of the substance if the volume is 89ml?
12. 364.7
13. .36
14. 360
15. 3.6x 105

1. Rank the following elements in terms of atomic radius. 1 being the smallest and 5 being the biggest.
2. Oxygen
3. Fluorine
4. Calcium
5. Sodium
6. Tungsten
7. What is the mass percent of oxygen in a sample containing 0.45kg oxygen, 65.8g carbon, 89.6g nitrogen and 3.4kg fluorine?
8. 0.28%
9. 11.2%
10. 0.282%
11. 11.23%

1. Fill in the blanks on the following table.

1. Suppose you have an area that has the dimensions of 45m x 378m x 127m, it takes you one minute to clean 32cm3of the area. How many hours will it take you to clean the entire space?
2. 4.1 hr
3. 4.14 hr
4. 4.14 x106 hr
5. 4.1 x 106 hr
6. If water has a specific heat of 4.18J/g°C, how much energy would be absorbed if there were 4.5kg of water and the temperature changed from was 45°F to 78°F.
7. 3.44 x 105
8. 6.20 x 105
9. 3.4 x 105
10. 6.2 x 105
11. Explain the trends of the atomic radius on the periodic table.

1. Explain where the protons, neutrons, and electrons are found in an atom.

1. How many electrons does chlorine have if it contains 17 neutrons and has a charge of +2
2. 17
3. 19
4. 15
5. 37

1. If it takes exactly 3 days for a cantaloupe to ripen at an altitude of 460ft. How long would it take in seconds with the altitude in inches?

1. Answer the following questions knowing that the density of ethanol is 0.79g/ml.
2. How many liters of ethanol contain 1.5kg of ethanol?

1. How many grams of mercury are present in a barometer that hold 6.5ml

1. A sculptor has prepared a mold for casting a silver figure. The figure ahs a volume of 225 cm3. How many ounces of silver are needed in the preparation of the silver figure?

1. Calculate the mass in grams of a sample of gold that absorbs 225J of heat to increase the temperature 15.0°C to 47.0°C? Au has a specific heat of 0.902.

1. Indium(In) has two naturally occurring isotopes: In-113 and In-115. In-113 has a 4.30% abundance and a mass of 112.9 amu. In-115 has a 97.5% abundance with a mass of 114.9. Calculate the atomic mass of Indium. Show all of your work.